// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of the License "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 // e32test\bench\t_r64bm.cpp

 // 

 //

 #include <e32std.h>

 #include <e32std_private.h>

 #include <e32base.h>

 #include <e32base_private.h>

 #include <e32test.h>

 #include <hal.h>

 const TInt KHeapSize=0x2000;

 const TInt KAverageOverInSeconds=10;

 const TInt KNumberOfCalculationsPerLoop=10;

 volatile TUint count;

 #ifdef T_R64BM_WITH_VFP

 RTest test(_L("T_VFPBM"));

 #else

 RTest test(_L("T_R64BM"));

 #endif

 GLREF_C TInt TReal64Addition(TAny*);

 GLREF_C TInt TReal64Subtraction(TAny*);

 GLREF_C TInt TReal64Multiplication(TAny*);

 GLREF_C TInt TReal64Division(TAny*);

 GLREF_C TInt TRealSqrt(TAny*);

 GLREF_C TInt TRealSin(TAny*);

 GLREF_C TInt TRealTan(TAny*);

 GLREF_C TInt TRealLn(TAny*);

 GLREF_C TInt TRealExp(TAny*);

 GLREF_C TInt TRealAsin(TAny*);

 GLREF_C TInt TRealAtan(TAny*);

 GLREF_C TInt TRealPower(TAny*);

 TInt runTest(TThreadFunction aFunction,const TDesC& aTitle)

     {

     RThread thread;

 	TInt r=thread.Create(aTitle,aFunction,KDefaultStackSize,KHeapSize,KHeapSize,NULL);

 	if(r!=KErrNone)

 		{

 		test.Printf(_L("Failed to create thread with error %d\n"),r);

 		return(r);

 		}

     thread.Resume();

     User::After(1000000);

     count=0;

     User::After(KAverageOverInSeconds*1000000);

     TUint64 result = count;

 	result *= TUint64(KNumberOfCalculationsPerLoop);

 	result /= TUint64(KAverageOverInSeconds);

 	TUint r32 = (TUint)result;

     thread.Kill(0);

 	thread.Close();

     test.Printf(_L("%S executed %d in 1 second\n"),&aTitle,r32);

     return r32;

     }

 TInt E32Main()

 //

 // Benchmark for TRealX functions

 //

     {

     test.Title();

 #ifdef T_R64BM_WITH_VFP

 	TInt supportedModes;

 	if (HAL::Get(HALData::EHardwareFloatingPoint, supportedModes) != KErrNone)

 		{

 		test.Printf(_L("Skipping test as this hardware does not have VFP\n"));

 		return(KErrNone);

 		}

     test.Start(_L("Benchmarks for TReal64 using VFP"));

 #else

     test.Start(_L("Benchmarks for TReal64"));

 #endif

 	runTest(TReal64Addition,_L("Addition"));

 	runTest(TReal64Subtraction,_L("Subtraction"));

 	runTest(TReal64Multiplication,_L("Multiplication"));

 	runTest(TReal64Division,_L("Division"));

 	runTest(TRealSqrt,_L("Square root"));

 	runTest(TRealSin,_L("Sine"));

 	runTest(TRealTan,_L("Tangent"));

 	runTest(TRealLn,_L("Logarithm"));

 	runTest(TRealExp,_L("Exponential"));

 	runTest(TRealAsin,_L("Arcsine"));

 	runTest(TRealAtan,_L("Arctan"));

 	runTest(TRealPower,_L("Powers"));

 	test.End();

 	return(KErrNone);

     }